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Volume 16, Number 3—March 2010

Dispatch

Venezuelan Equine Encephalitis and 2 Human Deaths, Peru

Stalin Vilcarromero, Patricia V. Aguilar, Eric S. Halsey, Alberto Laguna-Torres, Hugo Razuri, Juan Perez, Yadira Valderrama, Eduardo Gotuzzo, Luis Suárez, Manuel Céspedes, and Tadeusz J. KochelComments to Author 
Author affiliations: Naval Medical Research Center Detachment, Lima, Peru (S. Vilcarromero, P.V. Aguilar, E.S. Halsey, V.A. Laguna-Torres, H. Razuri, J. Perez, T.J. Kochel); Universidad Peruana Cayetano Heredia, Lima (S. Vilcarromero, E. Gotuzzo); Hospital de Apoyo Yurimaguas, Loreto, Peru (Y. Valderrama); Dirección General de Epidemiología, Lima (L. Suárez); Instituto Nacional de Salud, Lima (M. Céspedes)

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Table 2

Venezuelan equine encephalitis virus titers in 10 patients, Peru

Patient code Age, y/sex Location Date of symptom onset Date of blood collection Serum titer, PFU/mL Signs and symptoms
Death Bleed* Fever Seizure GI† Resp‡ Aches§
Patient 1
FSL2612 7/F Yurimaguas, Loreto 2006 
Jun 19 2006 
Jun 20 1.8 × 104 + + + + + +
FSL2649 32/M Yurimaguas, Loreto 2006 
Aug 7 2006 
Aug 8 3.4 × 104 + + + +
IQE1149 14/F Iquitos, Loreto 2005 
Apr 14 2005 
Apr 15 1.0 × 103 + +
IQE831 8/F Iquitos, Loreto 2005 
Mar 13 2005 
Mar 14 3.0 × 102 + +
IQE3605 6/M Iquitos, Loreto 2006 
Apr 3 2006 
Apr 4 1.0 × 102 + + +
IQE3741 10/F Iquitos, Loreto 2006 
Apr 21 2006 
Apr 24 5.0 × 102 + + +
IQE5023 7/M Iquitos, Loreto 2007 
Feb 27 2007 
Feb 28 1.3 × 104 + + +
FMD1737 18/M Puerto Maldonado, Madre de Dios 2007 
Dec 17 2007 
Dec 19 5.0 × 102 + +
FMD1905 21/F Puerto Maldonado, Madre de Dios 2008 
Feb 9 2008 
Feb 12 3.0 × 103 + + +
Patient 2¶ 25/M Puerto Maldonado, Madre de Dios 2005 
Feb 24 2005 
Feb 28 NM + + + + +

*Epistaxis, bleeding gums, ecchymosis, purpura, hematochezia, or melena.
†Gastrointestinal (nausea, vomiting, diarrhea, or abdominal pain).
‡Respiratory (cough, dyspnea, or cyanosis).
§Arthralgia, myalgia, bone pain, malaise, or prostration.
¶Virus isolation attempts unsuccessful; ELISA immunoglobulin M results positive for Venezuelan equine encephalitis. NM, not measured.

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